[PATCH v2 3/9] clk: sunxi: Add prcm mod0 clock driver
Lee Jones
lee.jones at linaro.org
Thu Nov 27 00:36:29 PST 2014
On Wed, 26 Nov 2014, Hans de Goede wrote:
> Hi,
>
> On 11/25/2014 05:57 PM, Lee Jones wrote:
> >On Sun, 23 Nov 2014, Hans de Goede wrote:
> >
> >>Add a driver for mod0 clocks found in the prcm. Currently there is only
> >>one mod0 clocks in the prcm, the ir clock.
> >>
> >>Signed-off-by: Hans de Goede <hdegoede at redhat.com>
> >>---
> >> Documentation/devicetree/bindings/clock/sunxi.txt | 1 +
> >> drivers/clk/sunxi/Makefile | 2 +-
> >> drivers/clk/sunxi/clk-sun6i-prcm-mod0.c | 63 +++++++++++++++++++++++
> >> drivers/mfd/sun6i-prcm.c | 14 +++++
> >> 4 files changed, 79 insertions(+), 1 deletion(-)
> >> create mode 100644 drivers/clk/sunxi/clk-sun6i-prcm-mod0.c
> >
> >[...]
> >
> >>diff --git a/drivers/mfd/sun6i-prcm.c b/drivers/mfd/sun6i-prcm.c
> >>index 283ab8d..ff1254f 100644
> >>--- a/drivers/mfd/sun6i-prcm.c
> >>+++ b/drivers/mfd/sun6i-prcm.c
> >>@@ -41,6 +41,14 @@ static const struct resource sun6i_a31_apb0_gates_clk_res[] = {
> >> },
> >> };
> >>
> >>+static const struct resource sun6i_a31_ir_clk_res[] = {
> >>+ {
> >>+ .start = 0x54,
> >>+ .end = 0x57,
> >>+ .flags = IORESOURCE_MEM,
> >>+ },
> >>+};
> >
> >I'm not overly keen on these magic numbers (and yes, I'm well aware
> >that I SoB'ed the patch which started them off).
> >
> >It's not a show stopper, although I'd prefer if they were fixed with a
> >subsequent patch.
>
> These are offsets of the relevant registers inside the prcm register block,
> if not done this way, then how should they be done ?
I like these kinds of things to be defined. No implementation changes
are necessary.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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